package com.cloudcc.mobile.view.wel;

import android.content.Intent;
import android.os.Bundle;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ImageView.ScaleType;
import android.widget.LinearLayout;

import com.cloudcc.mobile.R;
import com.cloudcc.mobile.adapter.ViewPagerAdapter;
import com.cloudcc.mobile.util.Tools;
import com.cloudcc.mobile.view.base.BaseActivity;
import com.cloudcc.mobile.view.login.LoginNewActivity;
import com.cloudcc.mobile.view.test.TestStepActivity;
import java.util.ArrayList;

public class GuideViewActivity extends BaseActivity implements OnClickListener,
		OnPageChangeListener {
	// 定义ViewPager对象
	private ViewPager viewPager;
	// 定义ViewPager适配器
	private ViewPagerAdapter vpAdapter;
	// 定义一个ArrayList来存放View
	private ArrayList<View> views;
	// 引导图片资源
	private static final int[] pics = { R.drawable.welcome1,
			R.drawable.welcome2, R.drawable.welcome3, R.drawable.welcome4,
			R.drawable.welcome5,
			R.drawable.welcome6 };
	// 底部小点的图片
	private ImageView[] points;

	// 记录当前选中位置
	private int currentIndex;
	private Button zhidaoye_btn;
	private Button zhidaoye_btn_test;
	private LinearLayout linearLayout;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
				WindowManager.LayoutParams.FLAG_FULLSCREEN);// 全屏
		requestWindowFeature(Window.FEATURE_NO_TITLE);
		super.onCreate(savedInstanceState);


		try {
			initView();
			initData();
			addlistener();
		} catch (Exception e) {
			Tools.handle(e);
		}
	}

	@Override
	public int getLayoutId() {
		return R.layout.zhidaoye;
	}

	private void addlistener() {
		zhidaoye_btn.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				Intent intent = new Intent(GuideViewActivity.this,
						LoginNewActivity.class);
				startActivity(intent);
				GuideViewActivity.this.finish();
			}
		});
		zhidaoye_btn_test.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				Intent intent = new Intent(GuideViewActivity.this,
						TestStepActivity.class);
				startActivity(intent);
			}
		});

	}

	/**
	 * 初始化组件
	 */
	private void initView() {
		// 实例化ArrayList对象
		views = new ArrayList<View>();
		// 实例化ViewPager
		linearLayout = (LinearLayout) findViewById(R.id.ll);
		viewPager = (ViewPager) findViewById(R.id.viewpager);
		zhidaoye_btn = (Button) findViewById(R.id.zhidaoye_btn);
		zhidaoye_btn_test = (Button) findViewById(R.id.zhidaoye_btn_test);
		zhidaoye_btn.setVisibility(View.INVISIBLE);
		zhidaoye_btn_test.setVisibility(View.INVISIBLE);
		// 实例化ViewPager适配器
		vpAdapter = new ViewPagerAdapter(views);
	}

	/**
	 * 初始化数据
	 */
	private void initData() {
		// 定义一个布局并设置参数
		LinearLayout.LayoutParams mParams = new LinearLayout.LayoutParams(
				LinearLayout.LayoutParams.MATCH_PARENT,
				LinearLayout.LayoutParams.MATCH_PARENT);

		// 初始化引导图片列表
		for (int i = 0; i < pics.length; i++) {
			ImageView iv = new ImageView(this);
			iv.setLayoutParams(mParams);
			iv.setImageResource(pics[i]);
			iv.setScaleType(ScaleType.CENTER_CROP);
			views.add(iv);
		}

		// 设置数据
		viewPager.setAdapter(vpAdapter);
		// 设置监听
		viewPager.setOnPageChangeListener(this);

		// 初始化底部小点
		initPoint();

		int index = getIntent().getIntExtra("page.index", 0);
		Log.i("TAG", "index+++++++++++++++++++++++++++="+index);
        if(index==4) {
            viewPager.setOnTouchListener(new View.OnTouchListener() {
                @Override
                public boolean onTouch(View v, MotionEvent event) {
                    return true;
                }
            });
        }
		viewPager.setCurrentItem(index);
	}

	/**
	 * 初始化底部小点
	 */
	private void initPoint() {
        int index = getIntent().getIntExtra("page.index", 0);

		points = new ImageView[pics.length];
		// 循环取得小点图片
		for (int i = 0; i < pics.length; i++) {
			// 得到一个LinearLayout下面的每一个子元素
			points[i] = (ImageView) linearLayout.getChildAt(i);
			// 默认都设为灰色
			points[i].setEnabled(true);
			// 给每个小点设置监听
			points[i].setOnClickListener(this);
			// 设置位置tag，方便取出与当前位置对应
			points[i].setTag(i);
            if(index==4) {
                linearLayout.setVisibility(View.INVISIBLE);

            }

		}

		// 设置当面默认的位置
		currentIndex = 0;
		// 设置为白色，即选中状态
		points[currentIndex].setEnabled(false);
	}

	/**
	 * 当滑动状态改变时调用
	 */
	@Override
	public void onPageScrollStateChanged(int arg0) {

	}

	/**
	 * 当当前页面被滑动时调用
	 */

	@Override
	public void onPageScrolled(int arg0, float arg1, int arg2) {

	}

	/**
	 * 当新的页面被选中时调用
	 */

	@Override
	public void onPageSelected(int position) {
		// 设置底部小点选中状态
		setCurDot(position);
	}

	/**
	 * 通过点击事件来切换当前的页面
	 */
	@Override
	public void onClick(View v) {
		int position = (Integer) v.getTag();
		setCurView(position);
		setCurDot(position);
	}

	/**
	 * 设置当前页面的位置
	 */
	private void setCurView(int position) {
		if (position < 0 || position >= pics.length) {
			return;
		}
		viewPager.setCurrentItem(position);
	}

	/**
	 * 设置当前的小点的位置
	 */
	private void setCurDot(int positon) {
		if (positon < 0 || positon > pics.length - 1 || currentIndex == positon) {
			return;
		}
		points[positon].setEnabled(false);
		points[currentIndex].setEnabled(true);

		currentIndex = positon;

		if (positon == pics.length - 1) {
			zhidaoye_btn.setVisibility(View.VISIBLE);
			zhidaoye_btn_test.setVisibility(View.VISIBLE);
			linearLayout.setVisibility(View.INVISIBLE);
		} else {
			zhidaoye_btn.setVisibility(View.INVISIBLE);
			zhidaoye_btn_test.setVisibility(View.INVISIBLE);
			linearLayout.setVisibility(View.VISIBLE);

		}
	}

}
